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S76.311A vs S76.319A

S76.311A (Strain of muscle, fascia and tendon of the posterior muscle group at thigh level, right thigh, initial encounter) compared with S76.319A (Strain of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh, initial encounter), from the official CMS tabular data. S76.311A and S76.319A code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S76.311A
Right
Strain of muscle, fascia and tendon of the posterior muscle group at thigh level, right thigh, initial encounter
S76.319A
Unspecified
Strain of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh, initial encounter

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. S76.311A and S76.319A name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

S76.311AStrain of muscle, fascia and tendon of the posterior muscle group at thigh level, right thigh, initial encounterS76.319AStrain of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh, initial encounter
Billing statusBillableBillable
ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionStrain of muscle, fascia and tendon of the posterior muscle group at thigh level, right thigh, initial encounter is a billable ICD-10-CM diagnosis code (S76.311A).Strain of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thigh, initial encounter is a billable ICD-10-CM diagnosis code (S76.319A).
7th characterThe appropriate 7th character is to be added to each code from category S76The appropriate 7th character is to be added to each code from category S76

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources